Multitasking is a fallacy. In fact, there is no such thing. Ted presents good reasons not to do it.  
TedinYourHead.com

“Go Ahead and Ask, I Dare You” The Ultimate Guide to Letting Go of Negativity and Loving Life Ep 342

The Ted in Your Head Podcast is hosted by Ted Moreno,  Certified Hypnotherapist, High Performance coach and explorer of what is possible. Designed for those on the path of personal transformation, Ted helps his clients release and move past self limiting beliefs, negative programming and bad habits that keep them from health, happiness and success.  Join Ted for insights and helpful tips about how to "Take out the head trash, talk to truth to yourself, and transform your mind!"